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PHENO
PHENOBARBITAL, SERUM

Test Code PHENO 
Test PHENOBARBITAL, SERUM 
Methodology Immunoassay 
Description Phenobarbital is a general central nervous system suppressant that has proven effectiveness in the control of generalized and partial seizures. It is frequently co-administered with phenytoin for control of complex seizure disorders and with valproic acid for complex parietal seizures. 
Specimen Draw blood in either a plain, red-top tube or serum gel tube. Spin down and send 0.5 mL (0.3 mL minimum) of serum refrigerated. 
MMC Specimen Draw blood in a plasma gel tube. 0.5 mL of plasma required. 
Reference Values Therapeutic concentration: 15.0 - 40.0 g/mL
Toxic concentration: > 60.0 g/mL 
Analytic Time 1 Day - Available STAT 
Day(s) Test Set Up Monday through Sunday 
CPT Code(s) 80184